In aviation, hot and high is a condition of low air density due to high ambient temperature and high airport elevation. Air density decreases with increasing temperature and altitude. Lower air density reduces the amount of lift generated by the wings or the rotors of an aircraft, which may hamper an aircraft's performance and hence its ability to operate safely. The reduced density also harms the performance of the aircraft's engine, compounding the effect. Aviators gauge air density by calculating the density altitude.
Read more about Hot And High: Negative Effects of Hot and High Conditions, Improving Hot and High Performance, Jet or Rocket Assisted Take Off, Specialized Aircraft, Other Uses, Hot and High Airports
Famous quotes containing the words hot and, hot and/or high:
“And deep into her crystal body poured
The hot and sorrowful sweetness of the dust:
Whereof she wanders mad, being all unfit
For mortal love, that might not die of it.”
—Edna St. Vincent Millay (1892–1950)
“When shot, the deer seldom drops immediately, but runs sometimes for hours, the hunter in hot pursuit. This phase, known as ‘deer running,’ develops fleet runners, particularly in deer- jacking expeditions when the law is pursuing the hunters as swiftly as the hunters are pursuing the deer.”
—For the State of Maine, U.S. public relief program (1935-1943)
“The secret of genius is to suffer no fiction to exist for us; to realize all that we know; in the high refinement of modern life, in arts, in sciences, in books, in men, to exact good faith, reality, and a purpose; and first, last, midst, and without end, to honor every truth by use.”
—Ralph Waldo Emerson (1803–1882)